Calculate the due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 1 units (Dollar, Euro, Pound, etc.), from date: Aug 3, 396, to date: Aug 3, 784, namely for a period of 141,714 days (4,656 Months), with an annual simple flat interest rate of 4.5% if the commission fee (withdrawal) is 0%.

Principal (initial amount), P = 1


Annual simple interest rate, R = 4.5%


From date: Aug 3, 396


To date: Aug 3, 784


Duration, T = 141,714 days (4,656 Months)


Commission fee (withdrawal), F = 0%


No. of days in a year, N = 365


I = Simple interest:

I = (P × R × T) ÷ N =


(1 × 4.5% × 141,714) ÷ 365 =


(1 × 4.5 × 141,714) ÷ (365 × 100) =


637,713 ÷ 36,500 ≈


17.471589041096 ≈


17.47

B = Amount earned:

B = P + I =


1 + 17.471589041096 =


18.471589041096 ≈


18.47

Signs: % percent, ÷ divide, × multiply, = equal, ≈ approximately equal;

Writing numbers: comma ',' as thousands separator; point '.' as a decimal mark;

Calculate simple flat rate interest on a principal borrowed, lent

Simple flat rate interest = (Principal × Annual simple flat interest rate × Duration in days) ÷ Number of days in a year

Latest calculated simple flat rate interest values

Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 1 units (Dollar, Euro, Pound, etc.), from date: Aug 03, 0396, to date: Aug 03, 0784, namely for a period of 141,714 days (4,656 Months), with an annual simple flat interest rate of 4.5% if the commission fee (withdrawal) is 0%. Apr 15 04:14 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 4,000 units (Dollar, Euro, Pound, etc.), from date: Apr 10, 2019, to date: May 01, 2019, namely for a period of 21 days, with an annual simple flat interest rate of 2% if the commission fee (withdrawal) is 0%. Apr 15 04:14 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 1 units (Dollar, Euro, Pound, etc.), from date: Oct 25, 0756, to date: Nov 01, 2018, namely for a period of 460,943 days (15,145 Months without 24 Days), with an annual simple flat interest rate of 962% if the commission fee (withdrawal) is 0%. Apr 15 04:14 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 47,500 units (Dollar, Euro, Pound, etc.), from date: Nov 26, 2017, to date: Dec 26, 2022, namely for a period of 1,856 days (61 Months), with an annual simple flat interest rate of 9% if the commission fee (withdrawal) is 0%. Apr 15 04:14 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 100 units (Dollar, Euro, Pound, etc.), from date: Dec 04, 2019, to date: Jan 04, 2020, namely for a period of 31 days, with an annual simple flat interest rate of 2% if the commission fee (withdrawal) is 0%. Apr 15 04:14 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 48 units (Dollar, Euro, Pound, etc.), from date: Jul 04, 2017, to date: Aug 04, 2022, namely for a period of 1,857 days (61 Months), with an annual simple flat interest rate of 9% if the commission fee (withdrawal) is 0%. Apr 15 04:14 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 100 units (Dollar, Euro, Pound, etc.), from date: Jun 30, 2017, to date: Jul 30, 2017, namely for a period of 30 days, with an annual simple flat interest rate of 910% if the commission fee (withdrawal) is 0%. Apr 15 04:14 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 0 units (Dollar, Euro, Pound, etc.), from date: May 18, 0642, to date: Jun 18, 2017, namely for a period of 502,240 days (16,501 Months), with an annual simple flat interest rate of 0% if the commission fee (withdrawal) is 0%. Apr 15 04:13 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 1,400 units (Dollar, Euro, Pound, etc.), from date: Jul 10, 0326, to date: Jun 01, 2018, namely for a period of 617,952 days (20,303 Months without 9 Days), with an annual simple flat interest rate of 1.5% if the commission fee (withdrawal) is 0%. Apr 15 04:13 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 100 units (Dollar, Euro, Pound, etc.), from date: May 03, 2017, to date: Jun 03, 2017, namely for a period of 31 days, with an annual simple flat interest rate of 3% if the commission fee (withdrawal) is 310%. Apr 15 04:13 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 0 units (Dollar, Euro, Pound, etc.), from date: Jun 18, 2017, to date: May 18, 2042, namely for a period of 9,100 days (299 Months), with an annual simple flat interest rate of 110% if the commission fee (withdrawal) is 750%. Apr 15 04:13 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 100 units (Dollar, Euro, Pound, etc.), from date: Feb 07, 0402, to date: Mar 07, 2018, namely for a period of 590,260 days (19,393 Months), with an annual simple flat interest rate of 1.5% if the commission fee (withdrawal) is 0%. Apr 15 04:13 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 25,000 units (Dollar, Euro, Pound, etc.), from date: Mar 28, 0422, to date: Mar 28, 2027, namely for a period of 586,214 days (19,260 Months), with an annual simple flat interest rate of 4.22% if the commission fee (withdrawal) is 0%. Apr 15 04:13 UTC (GMT)
All users calculated simple flat rate interest values